From 51c86362e0f20b1cb660b612f61f5f4e67b3cbd5 Mon Sep 17 00:00:00 2001
From: Fredrik Tolf <fredrik@dolda2000.com>
Date: Sun, 2 Nov 2014 03:10:10 +0100
Subject: [PATCH] Handle subscribed callbacks unregistering themselves.

---
 pdm/perf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdm/perf.py b/pdm/perf.py
index fd4daa6..7aef95a 100644
--- a/pdm/perf.py
+++ b/pdm/perf.py
@@ -129,7 +129,7 @@ class eventobj(perfobj):
 
     def notify(self, event):
         """Notify all subscribers with the given event object."""
-        for cb in self.subscribers:
+        for cb in list(self.subscribers):
             try:
                 cb(event)
             except: pass
-- 
2.11.0